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Test your basic knowledge |
DSST Physical Sciences Principles
Start Test
Study First
Subjects
:
dsst
,
science
Instructions:
Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In burning coal - what contaminant is of major concern as a pollutant...
Mechanical - chemical - and radiant energy
Heat of fusion
Less on the moon
Sulfur
2. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Near a maximum
Increasing speed and constant acceleration
Third principle of Centripetal force
Newtons third principle of Universal Gravitation
3. The heat involved in the change of phase of phase from solid ice to liquid water is called...
12 miles per hour
Momentum
Might stay the same
Heat of fusion
4. All objects with mass are attracted to another by the gravitational force
Disorder
Newtons first principle of Universal Gravitation
Increasing speed and constant acceleration
Remains unchanged
5. A temperature of -10 degrees celsius is equivalent to...
263 degrees kelvin
Newtons third principle of Universal Gravitation
Sulfur
Movement
6. The ozone hole results from...
Increases the energy
Second principle of Centripetal force
Halogen radicals interfering in ozone synthesis
Remains unchanged
7. Electromagnetic radiation can be viewed as...
Difference between the heat supplied and the heat exhausted
Universal
Newtons first principle of Universal Gravitation
Waves and particles
8. In a generator - the flow of electrons (current) is created by...
Movement
5 m/s
Difference in the sped of light in water vs. air
Heat of fusion
9. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
5 m/s
Disorder
Total internal energy of an object
Second principle of Centripetal force
10. The gravitational force - two masses are directly proportional to the mass of each object
12 miles per hour
Newtons third principle of Universal Gravitation
Twice the work
Newtons second principle of Universal Gravitation
11. The work that a heat engine is able to accomplish is ideally equivalent to the
Difference in the sped of light in water vs. air
Increases the energy
Difference between the heat supplied and the heat exhausted
Disorder
12. The weight of one kilogram of iron on earth is...
First principle of Centripetal force
5 m/s
Less on the moon
Newtons first principle of Universal Gravitation
13. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Means less power is transmitted
Less on the moon
Sulfur
Decreased
14. At a given speed - the centripetal force - the smaller the circle.
Means less power is transmitted
Third principle of Centripetal force
Sulfur
Disorder
15. Heat is the...
Movement
Means less power is transmitted
Might stay the same
Total internal energy of an object
16. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Momentum
Twice the work
Means less power is transmitted
Remains unchanged
17. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Increasing speed and constant acceleration
Means less power is transmitted
12 miles per hour
Halogen radicals interfering in ozone synthesis
18. Increasing the frequency of light
Waves and particles
Third principle of Centripetal force
Means less power is transmitted
Increases the energy
19. From the 50's and to the 70's - the pH of rain in the northeast had..
Disorder
Waves and particles
Decreased
Third principle of Centripetal force
20. Circular motion requires centripetal force
Remains unchanged
First principle of Centripetal force
Difference between the heat supplied and the heat exhausted
263 degrees kelvin
21. If a charging elephant has kinetic energy - it must also have...
Momentum
Mechanical - chemical - and radiant energy
Third principle of Centripetal force
Newtons second principle of Universal Gravitation
22. The larger the centripetal force - the faster an object travels in a circle of a given size
Disorder
Less on the moon
Momentum
Second principle of Centripetal force
23. Raising an auto in a service station requires work. Raising it twice as high requires...
Twice the work
First principle of Centripetal force
Newtons second principle of Universal Gravitation
Waves and particles
24. Entropy refers to...
Difference in the sped of light in water vs. air
5 m/s
Total internal energy of an object
Disorder
25. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Heat of fusion
Newtons third principle of Universal Gravitation
Second principle of Centripetal force
Increases the energy
26. The reason that a spear fisherman cannot see where the fish is actually located is...
Momentum
Twice the work
Difference in the sped of light in water vs. air
Increasing speed and constant acceleration
27. Electrical energy can be converted to...
Mechanical - chemical - and radiant energy
Disorder
Universal
Waste heat for secondary uses
28. cogeneration uses...
Difference in the sped of light in water vs. air
Increasing speed and constant acceleration
Movement
Waste heat for secondary uses
29. When you add heat to a substance - its temperature...
Decreased
Difference between the heat supplied and the heat exhausted
Means less power is transmitted
Might stay the same
30. Which is not one of the fundamental forces of nature...
Increasing speed and constant acceleration
Universal
Heat of fusion
Halogen radicals interfering in ozone synthesis
31. The theoretical production curve of oil indicates oil production is...
Total internal energy of an object
Near a maximum
Newtons third principle of Universal Gravitation
Momentum